As the heel’s standing is lowered season after season, high street brands like<b> <a href="http://www.selfridges.com/GB/en/cat/dune/" style="text-decoration: none"><font color="black">Dune</a></font></b> look to reaffirm your love for the block silhouette. Heading into spring-summer waters, the <b>Mermaid sandal</b> is so-called for good reason; jewel and faux-pearl embellishments sparkle from within the heel, a glistening contrast to the shoe’s suede upper. Fastened with crossover straps, once they grace your feet, the world is your oyster.